CN219554452U - Waterproof rubber sleeve and waterproof rubber structure for wire passing of automobile wire harness - Google Patents

Abstract

The utility model discloses a waterproof rubber sleeve for an automobile wire harness passing wire, which belongs to the technical field of cable protection pipes and comprises a rubber sleeve body, wherein the rubber sleeve body comprises a reducer pipe and a circular pipe, the minimum caliber part of the reducer pipe is connected with the circular pipe, an annular groove is formed in the outer side surface of the reducer pipe, and a waterproof flanging is arranged at the top of the groove wall of at least one side of the annular groove. The utility model also discloses a waterproof construction that is used for car pencil to cross line, including predetermineeing line hole and gum cover body. Through annular and the interior wall extrusion contact of line hole of predetermineeing, the position of fixed gum cover body, through pipe inner wall and pencil outer wall extrusion fit, connect the pencil for the pencil forms flexonics with predetermineeing the line hole, provides the buffering for the vibration of pencil, and simultaneously, the setting of pipe and annular also can prevent to predetermine the inside and outside rivers of line hole, steam and pass, promotes the waterproof performance in the car.

Description

Waterproof rubber sleeve and waterproof rubber structure for wire passing of automobile wire harness

Technical Field

The utility model belongs to the technical field of cable protection pipes, and particularly relates to a waterproof rubber sleeve and a waterproof rubber structure for wire passing of an automobile wire harness.

Background

The automobile is internally provided with a plurality of wire harnesses used for conveying various instruction information or telecommunication signals, the wire harnesses can pass through preset wire passing holes of various metal plates or hard shell structures when being connected with various functional parts in the automobile, the outer surfaces of the wire harnesses can rub against the inner walls or hole edges of the preset wire passing holes, wire harness outer covers are easily damaged, water seepage and water leakage are easily caused through the preset wire passing holes, therefore, in some related technologies, wire harness protection shells are additionally arranged on the outer surfaces of the wire harnesses, the wire harnesses are protected in a limiting connection mode through the outer surfaces of the wire harness protection shells and the inner walls of the preset wire passing holes, however, the inventor believes that the outer surfaces of the wire harnesses are easily subjected to extrusion force from the wire harness protection shells when being matched with the preset wire passing holes, hard positioning of the wire harnesses is easily caused, vibration can produce oscillatory traction on the wire harnesses, particularly the parts wrapping the wire harness protection shells when the automobile body vibrates due to use of the automobile, and the wire harnesses are easily damaged. Therefore, the waterproof rubber sleeve and the waterproof rubber structure for the wire passing of the automobile wire harness are designed.

It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and thus may include information that does not constitute prior art.

Disclosure of Invention

The inventor finds that when the automobile body vibrates due to the use of the automobile, vibration can generate oscillatory traction on the wire harness, particularly on the connection part of the wire harness and the preset wire through hole, so that the stress of cables in the wire harness is caused, and the circuit is extremely easy to damage.

In view of at least one of the above technical problems, the present disclosure provides a waterproof gum cover and structure for wire passing of an automobile wire harness, and the specific technical scheme is as follows:

the utility model provides a waterproof gum cover for car pencil is crossed line, includes the gum cover body, the gum cover body includes reducing pipe and pipe, and reducing pipe bore minimum department links up with the pipe, and the lateral surface of reducing pipe is equipped with the annular, and the top of at least one side cell wall of annular is equipped with waterproof turn-ups.

In some embodiments of the disclosure, the reducer is a reducer pipe.

In some embodiments of the present disclosure, the wall thickness of the large bore end of the reducer pipe is greater than the wall thickness of the small bore end.

In some embodiments of the present disclosure, the ring groove is provided at a large diameter end of the reducer pipe, and the depth of the ring groove is no more than half of the wall thickness of the reducer pipe where the ring groove is located.

In some embodiments of the present disclosure, at least one annular water blocking strip is disposed on at least one side groove wall of the annular groove.

In some embodiments of the present disclosure, the annular water blocking strip has a height no greater than half the width of the circumferential groove.

In some embodiments of the present disclosure, the inner wall of the circular tube is provided with at least one annular protrusion.

In some embodiments of the present disclosure, a reinforcing flange is provided at the pipe orifice at the outer end of the circular pipe.

In some embodiments of the present disclosure, the waterproof cuff is triangular in cross-section.

The utility model provides a be used for car pencil to cross line waterproof construction, is including predetermineeing wire hole and gum cover body, gum cover body includes reducing pipe and pipe, and reducing pipe bore minimum department links up with the pipe, and the lateral surface of reducing pipe is equipped with the annular, and the top of at least one side cell wall of annular is equipped with waterproof turn-ups, at least one side cell wall of annular is equipped with at least one annular strip that blocks water, predetermineeing the outside of wire hole be equipped with annular the recess that blocks water the strip and join in marriage the use.

Compared with the prior art, the utility model has the following beneficial effects:

through annular and the interior wall extrusion contact of predetermineeing the line hole, the position of fixed gum cover body is connected the pencil through pipe inner wall and pencil outer wall extrusion cooperation for the pencil forms flexonics with predetermineeing the line hole, provides the buffering for the vibration of pencil, and simultaneously, the setting of pipe and annular also can prevent to predetermine the inside and outside rivers of line hole, steam and pass, promotes the waterproof performance in the car.

Drawings

Fig. 1 is a perspective view of embodiment 3 of the gum cover body structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of example 3 of the gum cover body structure of the present utility model

FIG. 3 is a schematic cross-sectional view of example 3 of the gelatin jacket body of the present utility model mated with a predetermined via;

fig. 4 is an enlarged partial schematic view of the portion a in fig. 3.

The reference numerals in the figures illustrate: 1. a gum cover body; 11. a reducer pipe; 111. a ring groove; 1111. waterproof flanging; 1112. annular water blocking strips; 12. a round tube; 121. an annular protrusion; 122. reinforcing flanging; 2. presetting a wire passing hole; 3. a groove.

Detailed Description

For a better understanding of the objects, structures and functions of the present utility model, reference should be made to the accompanying drawings in which embodiments of the utility model are shown, and in which it is apparent that some, but not all embodiments of the utility model are illustrated.

The component parts themselves are numbered herein only to distinguish between the stated objects and do not have any sequential or technical meaning. In this disclosure, the term "coupled" includes both direct and indirect, "as used herein, unless specifically indicated otherwise. In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the azimuth terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of description and brief description, and do not indicate or imply that the apparatus or unit referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

As shown in fig. 1 to 4 of the drawings, a waterproof rubber sleeve for a wire harness of an automobile is designed and comprises a rubber sleeve body 1, the rubber sleeve body 1 comprises a reducer pipe 11 and a circular pipe 12, the minimum caliber of the reducer pipe 11 is connected with the circular pipe 12, an annular groove 111 is arranged on the outer side surface of the reducer pipe 11, a waterproof flanging 1111 is arranged on the top of at least one side groove wall of the annular groove 111, the inner wall of a preset wire hole 2 is in extrusion contact with the annular groove 111, the position of the rubber sleeve body 1 is fixed, the wire harness is connected with the outer wall of the wire harness in an extrusion fit mode through the inner wall of the circular pipe 12, the wire harness and the preset wire hole 2 form flexible connection, buffering is provided for vibration of the wire harness, meanwhile, water flow and water vapor inside and outside the preset wire hole 2 can be prevented from passing through by the circular pipe 12 and the annular groove 111, and waterproof performance in the automobile is improved.

Still designed a waterproof construction for car pencil is crossed line, including gum cover body 1 and predetermine line hole 2, gum cover body 1 includes reducing pipe 11 and pipe 12, and reducing pipe 11 bore minimum department links up with pipe 12, and the lateral surface of reducing pipe 11 is equipped with annular 111, and the top of at least one side cell wall of annular 111 is equipped with waterproof turn-ups 1111, at least one side cell wall of annular 111 is equipped with at least one annular and blocks water strip 1112, predetermines the outside of line hole 2 and be equipped with the recess 3 that matches with annular and block water strip 1112, through annular and block water strip 1112 and recess 3's the cooperation of joining in marriage, increase annular 111 and the contact area and the contact angle of predetermineeing the outside of line hole 2, further promote waterproof performance.

In the above embodiments, three embodiments are listed to implement the above technical solutions:

example 1

The embodiment discloses a waterproof gum cover for car pencil is crossed line, including gum cover body 1, gum cover body 1 includes reducing pipe 11 and pipe 12, reducing pipe 11 bore minimum department links up with pipe 12, reducing pipe 11's lateral surface is equipped with annular 111, the top of one side cell wall of annular 111 is equipped with waterproof turn-ups 1111, through annular 111 and the extrusion contact of predetermineeing line hole 2 inner wall, the position of fixed gum cover body 1, connect the pencil through pipe 12 inner wall and pencil outer wall extrusion cooperation for the pencil forms flexonics with predetermineeing line hole 2, provides the buffering for the vibration of pencil, simultaneously, the setting of pipe 12 and annular 111 also can prevent to predetermine the rivers, the steam inside and outside line hole 2 and pass, promote the waterproof performance in the car.

Wherein the reducer pipe 11) is a horn pipe with a square cross section; the wall thickness of the large-caliber end of the reducer pipe 11 is consistent with the wall thickness of the small-caliber end; the inner wall of the circular tube 12 is provided with an annular protrusion 121 for ensuring close fitting with the outer wall of the wire harness, preventing the wire harness from moving, and enhancing the air tightness between the inner wall of the circular tube 12 and the outer wall of the wire harness.

Example two

The embodiment discloses a waterproof rubber sleeve for wire passing of an automobile wire harness, which is different from the first embodiment in that the reducer pipe 11 is a circular pipe with a large caliber on one side and a small caliber on one side and gradually changed diameters; the wall thickness of the large-caliber end of the reducer pipe 11 is larger than that of the small-caliber end. The annular groove 111 is arranged on the large caliber side of the reducer pipe 11, and the depth of the annular groove 111 is equal to half of the wall thickness of the reducer pipe 11 where the annular groove 111 is positioned; the groove walls at two sides of the annular groove 111 are provided with an annular water-blocking strip 1112; the inner wall of the circular tube 12 is uniformly provided with two annular protrusions 121 for ensuring close fitting with the outer wall of the wire harness, preventing the wire harness from moving, and simultaneously enhancing the air tightness between the inner wall of the circular tube 12 and the outer wall of the wire harness.

The utility model also discloses a be used for car pencil to cross line waterproof construction, including gum cover body 1 and predetermine wire hole 2, gum cover body 1 includes reducing pipe 11 and pipe 12, and reducing pipe 11 bore minimum department links up with pipe 12, and the lateral surface of reducing pipe 11 is equipped with annular 111, and the top of one side cell wall of annular 111 is equipped with waterproof turn-ups 1111, the both sides cell wall of annular 111 is equipped with annular water blocking strip 1112, predetermines wire hole 2's outside be equipped with annular water blocking strip 1112 matched with recess 3, strengthen the leakproofness here.

Example III

As shown in fig. 1 to fig. 4, this embodiment discloses a waterproof glue sleeve for wire passing of an automobile wire harness, and the difference between this embodiment and the second embodiment is that the reducing pipe 11 is a bowl-shaped reducing round pipe, and can provide enough buffer between the wire harness and the preset wire passing hole 2 in a limited length; the annular groove 111 is arranged at one large-caliber end of the reducer pipe 11, the depth of the annular groove 111 is less than half of the wall thickness of the reducer pipe 11 where the annular groove 111 is positioned, the reducer pipe is not easy to break, and the durability is ensured; the groove wall of the outer side edge of the annular groove 111 is provided with two annular water-blocking bars 1112, so that the air tightness can be further ensured through multiple bending; three annular protrusions 121 are arranged on the inner wall of the circular tube 12, the annular protrusions 121 on the outermost side are positioned at the inner edge of the circular tube 12 and used for ensuring close fitting with the outer wall of the wire harness, preventing the wire harness from moving, and enhancing the air tightness between the inner wall of the circular tube 12 and the outer wall of the wire harness; the pipe orifice of the outer end of the circular pipe 12 is provided with the reinforcing flanging 122, so that the problem that the circular pipe 12 cracks at the edge due to insufficient tension or fatigue of materials when the circular pipe 12 is assembled with a wire harness can be effectively avoided; the waterproof flange 1111 has a triangular cross section.

The utility model also discloses a waterproof construction that is used for car pencil to cross line, including gum cover body 1 and predetermine wire hole 2, gum cover body 1 includes reducing pipe 11 and pipe 12, and reducing pipe 11 bore minimum department links up with pipe 12, and the lateral surface of reducing pipe 11 is equipped with annular 111, and the top of the one side cell wall of annular 111 is equipped with waterproof turn-ups 1111, the one side cell wall of annular 111 is equipped with two annular and blocks water strip 1112, predetermines wire hole 2's outside be equipped with annular and block water strip 1112 join in marriage with the recess 3 of two, annular block water strip 1112's outer end is the arc surface, the bottom shape of recess 3 and the outer tip shape adaptation of annular block water strip 1112.

It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a waterproof gum cover for car pencil is crossed line, its characterized in that includes gum cover body (1), gum cover body (1) is including reducing pipe (11) and pipe (12), and reducing pipe (11) bore minimum department links up with pipe (12), and the lateral surface of reducing pipe (11) is equipped with annular (111), and the top of at least one side cell wall of annular (111) is equipped with waterproof turn-ups (1111).

2. The waterproof gum cover for wire harness passing of automobile according to claim 1, wherein the reducing pipe (11) is a reducing circular pipe.

3. The waterproof gum cover for wire harness passing of automobile according to claim 2, wherein the wall thickness of the large caliber end of the reducing pipe (11) is larger than the wall thickness of the small caliber end.

4. The waterproof gum cover for automobile wire harness passing wires according to claim 3, wherein the ring groove (111) is arranged at one large caliber end of the reducer pipe (11), and the depth of the ring groove (111) is not more than half of the wall thickness of the reducer pipe (11) where the ring groove (111) is arranged.

5. The waterproof gum cover for the wire harness of the automobile according to claim 1, wherein at least one annular water blocking strip (1112) is arranged on the wall of at least one side of the annular groove (111).

6. The waterproof gum cover for automobile wire harness passing through according to claim 5, wherein the height of the annular water blocking bar (1112) is not more than half the width of the annular groove (111).

7. The waterproof gum cover for the wire harness of the automobile according to claim 1, wherein the inner wall of the circular tube (12) is provided with at least one annular protrusion (121).

8. The waterproof gum cover for the wire harness passing of the automobile according to claim 1, wherein a reinforcing flanging (122) is arranged at the pipe orifice of the outer end of the circular pipe (12).

9. The waterproof gum cover for wire harness passing through of automobile according to claim 1, wherein the waterproof flanging (1111) has a triangular cross section.

10. The utility model provides a be used for car pencil to cross line waterproof construction, its characterized in that, include gum cover body (1) and predetermine line hole (2), gum cover body (1) include reducing pipe (11) and pipe (12), and reducing pipe (11) bore minimum department links up with pipe (12), and the lateral surface of reducing pipe (11) is equipped with annular (111), and the top of at least one side cell wall of annular (111) is equipped with waterproof turn-ups (1111), at least one side cell wall of annular (111) is equipped with at least one annular and blocks water strip (1112), predetermines the outside of line hole (2) be equipped with annular groove (3) that blocks water strip (1112) joined in marriage and use.